Tetsuo Shirasu

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Tokyo, JP

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Patents Grantslast 30 patents

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Electrostrictive effect element and the process of manufacturing th...
- Patent number 5,255,972
- Issue date Oct 26, 1993
- NEC Corporation
- Tetsuo Shirasu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric effect device
- Patent number 5,250,868
- Issue date Oct 5, 1993
- NEC Corporation
- Tetsuo Shirasu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hermetically sealed electrostrictive actuator
- Patent number 5,113,108
- Issue date May 12, 1992
- NEC Corporation
- Osamu Yamashita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrostriction effect element
- Patent number 4,780,639
- Issue date Oct 25, 1988
- NEC Corporation
- Tetsuo Shirasu
- H01 - BASIC ELECTRIC ELEMENTS